spi-gpio.c File Reference

#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/gpio.h>
#include <linux/of_device.h>
#include <linux/of_gpio.h>
#include <linux/spi/spi.h>
#include <linux/spi/spi_bitbang.h>
#include <linux/spi/spi_gpio.h>
#include "spi-bitbang-txrx.h"

Go to the source code of this file.

Data Structures
struct	spi_gpio

Macros
#define	DRIVER_NAME   "spi_gpio"
#define	GENERIC_BITBANG   /* vs tight inlines */
#define	SPI_MISO_GPIO   ((pdata)->miso)
#define	SPI_MOSI_GPIO   ((pdata)->mosi)
#define	SPI_SCK_GPIO   ((pdata)->sck)
#define	SPI_N_CHIPSEL   ((pdata)->num_chipselect)
#define	pdata   spi_to_pdata(spi)
#define	spidelay(nsecs)   do {} while (0)

Functions
	MODULE_ALIAS ("platform:"DRIVER_NAME)
	module_platform_driver (spi_gpio_driver)
	MODULE_DESCRIPTION ("SPI master driver using generic bitbanged GPIO ")
	MODULE_AUTHOR ("David Brownell")
	MODULE_LICENSE ("GPL")

Macro Definition Documentation

#define DRIVER_NAME   "spi_gpio"

Definition at line 80 of file spi-gpio.c.

#define GENERIC_BITBANG   /* vs tight inlines */

Definition at line 82 of file spi-gpio.c.

#define pdata   spi_to_pdata(spi)

Definition at line 113 of file spi-gpio.c.

#define SPI_MISO_GPIO   ((pdata)->miso)

Definition at line 85 of file spi-gpio.c.

#define SPI_MOSI_GPIO   ((pdata)->mosi)

Definition at line 86 of file spi-gpio.c.

#define SPI_N_CHIPSEL   ((pdata)->num_chipselect)

Definition at line 89 of file spi-gpio.c.

#define SPI_SCK_GPIO   ((pdata)->sck)

Definition at line 87 of file spi-gpio.c.

#define spidelay

(

nsecs

)

do {} while (0)

Definition at line 138 of file spi-gpio.c.

Function Documentation

MODULE_ALIAS

(

"platform:"

DRIVER_NAME

)

MODULE_AUTHOR

(

"David Brownell"

)

MODULE_DESCRIPTION

(

"SPI master driver using generic bitbanged GPIO "

)

MODULE_LICENSE

(

"GPL"

)

module_platform_driver

(

spi_gpio_driver

)